Which of the following parental combination has produced mutant offspring?
$Tt × tt = Tt$
$tt × tt = Tt$
$Tt × Tt = tt$
$TT × tt =Tt$
Fraternal twins are produced when
A person is suffering from disease phenylketonuria, which is an autosomal recessive disease. Which of these is lacking in the person?
Alkaptonuria is caused due to
With the help of an example, differentiate between incomplete dominance and co dominance.